@BenA Sadly for him, US weapons are starting to have a major impact on the front line, and Ukraine may not, in fact, be in a talking mood.
When your military doctrine for 1000 years has been to send poorly-trained soldiers into a meat grinder until you overwhelm your enemy, eventually that will wear thin.
@LiberalLibrarian
And I doubt that purging all of his top military commanders is helping the battlefield situation very much. Politically wise, strategically foolish.